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A126245
(p+2)! if p prime and p+2 prime.
0
120, 5040, 6227020800, 121645100408832000, 8222838654177922817725562880000000, 60415263063373835637355132068513997507264512000000000
OFFSET
1,1
EXAMPLE
3 and 5...........5!=120
5 and 7...........7!=5040
17 and 19........19!=121645100408832000
MAPLE
ZL:=[]:for p from 1 to 53 do if (isprime(p) and isprime(p+2)) then ZL:=[op(ZL), ((p+2)!)]; fi; od; print(ZL);
CROSSREFS
Sequence in context: A246193 A246613 A031145 * A221435 A229636 A282431
KEYWORD
easy,nonn
AUTHOR
Zerinvary Lajos, Mar 08 2007
STATUS
approved